CN114889219A

CN114889219A - Ton bag shaping is with automatic valve gap sealing device and former

Info

Publication number: CN114889219A
Application number: CN202210383999.7A
Authority: CN
Inventors: 刘桂兰
Original assignee: Changzhou Xintai Packing Co ltd
Current assignee: Changzhou Xintai Packing Co ltd
Priority date: 2022-04-13
Filing date: 2022-04-13
Publication date: 2022-08-12
Anticipated expiration: 2042-04-13
Also published as: CN114889219B

Abstract

The application relates to the field of heat-sealing equipment, in particular to an automatic valve cover heat-sealing device for ton bag forming and forming equipment, and the automatic valve cover heat-sealing device for ton bag forming comprises a mounting frame, wherein a workbench, a feeding mechanism, a conveying mechanism and an assembling mechanism are arranged on the mounting frame, the feeding mechanism is used for conveying a mounting ring, and the conveying mechanism is used for conveying a top film; the workbench comprises an assembling table and a conveying table, the assembling table is used for assembling the top film and the mounting ring, and the conveying table is used for conveying the assembled top film and the assembled mounting ring; the assembling mechanism comprises a hot melting ring, and the hot melting ring is arranged at the assembling table in a lifting mode and used for fusing the mounting ring and the top film in a hot-melting mode. This application has the equipment of the apical membrane of being convenient for and collar, improves work efficiency's effect.

Description

Ton bag shaping is with automatic valve gap sealing device and former

Technical Field

The application relates to the field of heat sealing equipment, especially, relate to an automatic valve gap sealing device and former for ton bag shaping.

Background

The ton bag, also called flexible container bag, space bag, etc. is a medium-sized bulk container, which is one kind of container unit apparatus, and can be transported in container unit by matching with crane or fork truck. It is convenient for loading and transporting bulk powdery materials, has the characteristics of large volume, light weight, convenient loading and unloading and the like, and is one of common packaging materials.

In the related art, the ton bag includes a barrel body made of a film material and a top film, and the top film is heat-sealed at an opening of the barrel body through ton bag heat-sealing equipment. The mounting ring is assembled on the top film, so that materials can be conveniently added into the ton bag; the mounting ring is in threaded connection with a sealing cover to seal the ton bag. When the collar was assembled, the staff was manual to be placed the collar on the epiphragma, and later through scalding the instrument of closing, scald collar and epiphragma and close as an organic whole.

In view of the above-mentioned related art, the inventor thinks that the assembly of the top film and the mounting ring is performed manually, which is time-consuming and labor-consuming, inconvenient for the assembly of the top film and the mounting ring, and the work efficiency needs to be improved.

Disclosure of Invention

In order to facilitate the equipment of top film and collar, improve work efficiency, this application provides an automatic valve gap sealing device and former for ton bag shaping.

In a first aspect, the application provides an automatic valve cover heat-sealing device for ton bag forming, adopts the following scheme:

an automatic valve cover heat-sealing device for ton bag forming comprises a mounting frame, wherein a workbench, a feeding mechanism, a conveying mechanism and an assembling mechanism are arranged on the mounting frame, the feeding mechanism is used for conveying a mounting ring, and the conveying mechanism is used for conveying a top film;

the workbench comprises an assembling table and a conveying table, the assembling table is used for assembling the top film and the mounting ring, and the conveying table is used for conveying the assembled top film and the assembled mounting ring;

the assembling mechanism comprises a hot melting ring, and the hot melting ring is arranged at the assembling table in a lifting mode and used for fusing the mounting ring and the top film in a hot-melting mode.

Through adopting above-mentioned technical scheme, when collar and epiphragma assemble, carry the epiphragma through conveying mechanism, carry the epiphragma to assembly table department. And the mounting ring is conveyed to the assembly table through the feeding mechanism, the mounting ring and the top film are scalded and closed through the lifting of the hot melting ring, and the mounting ring and the top film which are scalded and closed are conveyed to the subsequent process on the conveying table. Compare in the manual equipment of carrying out the epiphragma and collar, the simple operation helps improving work efficiency.

Optionally, the feeding mechanism includes a feeding cylinder, a feeding plate and a sliding assembly, the feeding cylinder is arranged on the workbench and used for containing the installation ring, the feeding plate includes a limiting plate and a clamping plate, a clamping groove is formed in the clamping plate, and the clamping groove penetrates through one side, close to the conveying table, of the clamping plate;

the feeding plate is arranged on the assembling table in a sliding mode through the sliding assembly, the clamping plate can slide until the clamping groove is opposite to the opening at the bottom end of the feeding cylinder, and the clamping plate can also slide until the clamping groove is opposite to the hot melting ring; when the clamping groove is staggered with the opening at the bottom end of the feeding cylinder, the limiting plate is used for limiting the mounting ring in the feeding cylinder.

By adopting the technical scheme, when the mounting rings are conveyed, a certain number of mounting rings are placed in the feeding cylinder in advance, and the feeding cylinder plays a role in storing the mounting rings. Move the feed plate to the bottom that the block groove is located a feed cylinder, the collar in the feed cylinder then falls into the block groove automatically under the effect of gravity, moves the block plate to the block groove along with the feed plate afterwards and melts the ring relatively with heat, and heat melts the ring and scalds the collar and epiphragma and close. The limiting plate is used for limiting the mounting ring in the feeding cylinder, so that the mounting ring is difficult to continue to fall. And conveying the mounting ring and the top film which are subjected to ironing and closing to a conveying table from one side of the clamping groove penetrating through the clamping plate, and continuously conveying to a subsequent process.

Optionally, a mounting groove is formed in the top surface of the limiting plate, the mounting groove penetrates through one side, close to the conveying table, of the limiting plate, and the clamping plate is arranged in the mounting groove and abutted to the bottom wall of the mounting groove.

Through adopting above-mentioned technical scheme, the block board sets up in the mounting groove, and the diapire of mounting groove can play the effect of lifting to the block board to improve the stability that block board and limiting plate are connected, and then improve the life of feed plate.

Optionally, the sliding assembly includes a driving source, a sliding rod and a sliding block, the driving source is used for driving the feeding plate to slide, the sliding block is arranged on the feeding plate, and the sliding rod is fixedly arranged on the mounting frame and penetrates through the sliding block.

Through adopting above-mentioned technical scheme, the slide bar can carry on spacingly to the slip direction of feed plate to improve the gliding stability of feed plate.

Optionally, the conveying mechanism includes a driving assembly and a placing assembly, the placing assembly includes a supporting plate and a placing roller, the supporting plate is arranged on the mounting frame, the supporting plate is provided with lifting grooves for placing two ends of the placing roller, and the placing roller is used for winding a top film to be assembled with the mounting ring; the driving assembly is used for driving the top film to move.

Through adopting above-mentioned technical scheme, can twine the apical membrane of treating of a certain length and the collar equipment on placing the roller in advance, will place the roller again and place in lifting the groove, remove through drive assembly drive apical membrane to make the apical membrane of winding on placing the roller reduce gradually, place the roller simultaneously and rotate in lifting the groove. After the top film on the placing roller is assembled with the mounting ring, the placing roller is directly taken down from the lifting groove, and the next placing roller wound with the top film is placed in the lifting groove, so that the top film is convenient to replace and supply.

Optionally, a guide rod is arranged in the feeding cylinder, and the top end of the guide rod is higher than the top end of the feeding cylinder.

Through adopting above-mentioned technical scheme, when putting into the feed cylinder with the collar, pass the guide rod with the collar, be convenient for guide collar gets into in the feed cylinder.

In a second aspect, the application provides a ton bag shaping is with former of automatic valve gap sealing device, adopts following technical scheme:

the mounting frame is also provided with a mounting frame and a heat sealing mechanism, and the top film bypasses the mounting frame during conveying;

the heat-sealing mechanism comprises an air suction cylinder, a heat-sealing ironing ring and a lifting piece, the air suction cylinder is positioned below the mounting frame and is used for a barrel body of a ton bag to penetrate, an opening of the air suction cylinder faces the mounting frame, an air suction nozzle is arranged on the inner wall of the air suction cylinder, and a first working ring is arranged on the top surface of the air suction cylinder;

the heat-seal scalds ring lift setting on the mounting bracket, the lifting member is used for driving the heat-seal to scald ring lift, the heat-seal scalds the ring and can descend to the top surface butt with first working ring.

By adopting the technical scheme, the top film assembled with the mounting ring bypasses the mounting frame, when the barrel body and the top film are subjected to heat sealing, a worker penetrates the barrel body into the air suction cylinder, the barrel body is sucked into the air suction cylinder under the air suction effect of the air suction nozzle, and one end of the opening direction of the barrel body is outwards turned over to the first working ring. And then, the heat-sealing ironing ring descends through the lifting piece, the top film is abutted to the first workbench, and the top film and the part of the barrel body, which is turned outwards to the first workbench, are subjected to heat sealing. After the barrel body and the top film are subjected to heat sealing, the heat sealing ring rises, the top film is continuously driven to move through the conveying mechanism, then the barrel body subjected to heat sealing with the top film is taken out from the air suction barrel, and the barrel body is conveyed to subsequent processes in batches along with conveying of the top film.

Optionally, the lifting member is a lifting cylinder, and the heat-seal ironing ring is connected with a piston rod of the lifting cylinder; the heat sealing mechanism further comprises a linkage assembly, the linkage assembly comprises linkage rods, linkage screw rods and linkage cylinders, the linkage rods are also connected with piston rods of the lifting cylinders, the linkage screw rods are rotatably connected to the linkage rods, the number of the linkage screw rods is at least two, and the linkage cylinders are fixedly arranged on the mounting frame;

the inner wall and the linkage screw threaded connection of a linkage section of thick bamboo, the linkage screw pass first working ring and with first working ring threaded connection, the direction of linkage screw and linkage section of thick bamboo threaded connection is the first direction, the threaded connection direction of linkage screw and first working ring is the second direction, first direction and second opposite direction.

Through adopting above-mentioned technical scheme, when not carrying out the heat-seal of staving and apical membrane, for the heat-seal scalds the ring and the initial condition of a section of thick bamboo of breathing in, when the heat-seal scalds ring and a section of thick bamboo of breathing in and is in initial condition, the heat-seal scalds the ring and rises to being located the installing frame top, the section of thick bamboo of breathing in descends to being located the position near ground, then the staff of being convenient for penetrates the staving in the section of thick bamboo of breathing in.

When the barrel body and the top film are subjected to heat sealing, the lifting cylinder is started, and the lifting cylinder drives the heat-sealing ring to descend. Meanwhile, the linkage rod descends synchronously along with a piston rod of the lifting cylinder, the linkage screw rod is in rotating connection with the linkage rod and in threaded connection with the linkage barrel, the linkage screw rod rotates under the limiting effect of the linkage barrel, and the linkage screw rod rotates to drive the air suction barrel to ascend due to the fact that the first direction is opposite to the second direction. The heat-seal scalds ring sum section of thick bamboo to the direction that is close to each other and removes, can set up the heat-seal according to actual conditions and scald ring sum section of thick bamboo when offsetting of breathing in, and the heat-seal scalds ring sum section of thick bamboo of breathing in and is located installation frame department to make the apical membrane scald with the staving and close.

After the top film and the barrel body are ironed and closed, the piston rod of the lifting air cylinder is reset, the linkage screw rod is driven to rotate reversely, and the heat-sealing ironing ring and the air suction barrel move towards the direction away from each other and return to the initial position again. The continuous heat sealing of the top film and the barrel body is realized through the circulation. The synchronous reverse movement of the heat-sealing hot ring and the air suction cylinder can be realized only by one driving source of the lifting cylinder, the operation is simple, and the energy consumption is saved.

Optionally, the heat-sealing mechanism further includes a film cutting assembly, the film cutting assembly includes a plurality of film cutting blocks and a plurality of film cutting knives, the film cutting blocks are arranged on the top surface of the first working ring, a heat-sealing table is formed between the film cutting blocks and the inner wall of the first working ring at intervals, and a reserved gap is formed between the plurality of film cutting blocks at intervals; the film cutting knife is arranged on the heat-seal ironing ring and is matched with the film cutting block.

By adopting the technical scheme, when the top film is scalded with the barrel body, the film cutting knife cuts the top film into the top film matched with the opening of the barrel body. Meanwhile, the reserved gaps are formed between the film cutting blocks at intervals, so that when the film cutting knife cuts the top film into the top film matched with the opening of the barrel body, a part of the top film is still connected to the whole top film, and the barrel body after being subjected to heat sealing is conveyed to a subsequent process along with the top film. The top film and the staving after the heat-seal is accomplished are ton bags promptly, when the staff need take off ton bag from holistic top film, then will connect the part on whole top film tear one by one can, alright obtain independent ton bag one by one.

Optionally, a plurality of spikes are arranged at the reserved gap, and the top ends of the spikes are higher than the top surface of the membrane cutting block.

By adopting the technical scheme, through the arrangement of the spines, on one hand, the part of the barrel body, which is outwards turned to the first working ring, can be hung on the spines, so that the stability of the part of the barrel body, which is outwards turned on the first working platform, is improved, and the barrel body is convenient to be thermally sealed with the top film; on the other hand, because the spine is located reservation space department, and the top of spine is a little higher than the top surface of cutting the membrane piece, consequently when cutting the apical membrane for the shape with staving looks adaptation, the spine can stab into the part that the apical membrane still is connected on whole apical membrane, the part that apical membrane and reservation space are relative promptly. Therefore, the part of the top film still connected to the integral top film can form an intermittent connecting structure, so that the operator can tear the ton bag from the integral top film to obtain an independent ton bag.

In summary, the present application includes at least one of the following beneficial technical effects:

1. through the arrangement of the conveying mechanism, the feeding mechanism and the assembling mechanism, when the mounting ring and the top film are assembled, the top film is conveyed through the conveying mechanism, the top film is conveyed to the assembling table, the mounting ring is conveyed to the assembling table through the feeding mechanism, and the mounting ring and the top film are hot-sealed through the lifting of the hot melting ring, so that the operation is convenient and fast, and the work efficiency is improved;

2. through the arrangement of the lifting cylinder and the linkage assembly, the synchronous reverse movement of the heat-sealing ironing ring and the air suction cylinder can be realized only by one driving source of the lifting cylinder, the operation is simple, and the energy consumption is saved;

3. through the arrangement of the spines, on one hand, the stability of the part of the barrel body which is outwards turned on the first workbench is improved, and the barrel body is convenient to be thermally sealed with the top film; on the other hand, the spine can stab the part that the topfilm still is connected on whole topfilm, and the topfilm is the relative part in space with reserving promptly, consequently, still connects the part on whole topfilm at the topfilm and can form discontinuous connection structure, and the staff of being convenient for tears the ton bag from whole topfilm and obtains independent ton bag.

Drawings

Fig. 1 is a schematic overall structure diagram of an automatic valve cover heat-sealing device for ton bag forming according to an embodiment of the present application.

Fig. 2 is a schematic structural diagram for showing a conveying table in the embodiment of the present application.

Fig. 3 is a schematic structural diagram for showing a feeding mechanism in the embodiment of the present application.

Fig. 4 is a bottom view of the assembly table in the embodiment of the present application.

Fig. 5 is a schematic structural diagram of the whole forming equipment of an automatic valve cover heat-sealing device for forming ton bags in the embodiment of the application.

FIG. 6 is a schematic view showing the connection relationship between the barrel body and the top film after the barrel body and the top film are heat-sealed in the embodiment of the present application.

Fig. 7 is a schematic structural diagram for showing an adjusting assembly in the embodiment of the present application.

FIG. 8 is a schematic structural diagram for showing a linkage assembly in an embodiment of the present application.

FIG. 9 is a schematic structural diagram for showing an air suction cylinder in the embodiment of the present application.

Fig. 10 is a schematic structural diagram for showing a placement component in the embodiment of the present application.

Fig. 11 is a schematic structural diagram for showing a resistance reducing component in the embodiment of the present application.

Fig. 12 is a schematic structural view for showing a mounting rod in the embodiment of the present application.

Fig. 13 is a schematic structural diagram for showing a driving assembly in the embodiment of the present application.

Description of reference numerals: 1. a mounting frame; 11. installing a frame; 111. a drag reduction roller; 12. mounting a rod; 121. a first rod body; 122. a second rod body; 1221. a limiting part; 2. a work table; 21. an assembly table; 22. a conveying table; 221. a limiting groove; 23. a steering assembly; 231. a turning roll; 232. pressing the roller; 2321. a connecting plate; 233. a abdicating ring groove; 24. an adjustment assembly; 241. mounting a plate; 242. installing a handle; 243. tightly abutting against the screw rod; 3. a feeding mechanism; 31. a mounting ring; 32. a feeding cylinder; 321. a guide rod; 33. a feeding plate; 331. a limiting plate; 3311. mounting grooves; 3312. let as a hole; 332. a clamping plate; 3321. a clamping groove; 34. a sliding assembly; 341. a slide bar; 342. a slider; 4. a conveying mechanism; 41. a top film; 42. a drive assembly; 421. rotating the motor; 422. a wind-up roll; 4221. a first notch; 423. installing a bolt; 424. fixing the rod; 4241. a second notch; 43. placing the component; 431. placing a roller; 4311. a first ring groove; 4312. a second ring groove; 432. a support plate; 4321. a first plate body; 4322. a second plate body; 4323. a lifting groove; 44. a resistance reduction component; 441. a fixing ring; 442. a rotating ring; 443. a fixing plate; 444. fixing the screw rod; 445. rotating the handle; 5. an assembly mechanism; 51. a first driving cylinder; 52. a hot melting ring; 6. a waste discharge mechanism; 61. a cutting knife; 62. a top block; 63. a waste collection assembly; 631. an air blowing pipe; 632. a waste material box; 64. a second driving cylinder; 7. a heat sealing mechanism; 71. an air suction cylinder; 711. a suction nozzle; 712. a first working ring; 713. a second working ring; 72. heat sealing the ring; 721. a cross; 73. a lifting cylinder; 74. a linkage assembly; 741. a linkage rod; 742. a linkage screw; 743. a linkage cylinder; 75. cutting the membrane assembly; 751. cutting the film block; 752. a film cutter; 753. a heat sealing station; 754. reserving a gap; 7541. pricking with a sharp point; 8. bagging by ton; 81. and (5) a barrel body.

Detailed Description

The present application is described in further detail below with reference to figures 1-13.

The embodiment of the application discloses ton bag shaping is with automatic valve gap sealing device. Referring to fig. 1, the automatic valve cover heat-sealing device for ton bag forming comprises an installation frame 1, wherein a workbench 2, a feeding mechanism 3, a conveying mechanism 4, an assembling mechanism 5 and a waste discharging mechanism 6 are installed on the installation frame 1. The feeding mechanism 3 is used for conveying the mounting ring 31, the conveying mechanism 4 is used for conveying the transparent top film 41, and the assembling mechanism 5 is used for ironing and combining the mounting ring 31 and the top film 41. After the mounting ring 31 and the top film 41 are fused together by ironing, the waste discharge mechanism 6 is used for cutting the top film 41 on the inner side of the mounting ring 31 and collecting and processing the cut waste materials in a centralized manner.

Referring to fig. 1 and 2, the table 2 is fixedly mounted on the mounting frame and horizontally disposed, the table 2 includes an assembling table 21 and a conveying table 22 which are disposed in parallel, the top film 41 and the mounting ring 31 are assembled at the assembling table 21, and the assembled top film 41 and the assembled mounting ring 31 are conveyed from the assembling table 21 to the conveying table 22 and then conveyed to the subsequent process. The top surface of the conveying table 22 is provided with a limiting groove 221 along the length direction thereof, and the mounting ring 31 assembled with the top film 41 is conveyed in the limiting groove 221, so that the conveying stability of the top film 41 assembled with the mounting ring 31 is improved. The cutting operation of the waste discharge mechanism 6 is also performed at the assembling station 21.

Referring to fig. 1 and 3, the assembly mechanism 5 includes a first driving cylinder 51 and a hot melt ring 52, and both the first driving cylinder 51 and the hot melt ring 52 are located above the assembly table 21. The first driving cylinder 51 is fixedly installed on the installation frame 1, a piston rod of the first driving cylinder 51 faces downwards vertically, and the hot melt ring 52 is fixedly connected to the bottom end of the piston rod of the first driving cylinder 51. The first driving cylinder 51 is started, so that the hot melt ring 52 can be lifted.

Referring to fig. 3 and 4, the feeding mechanism 3 includes a feeding cylinder 32, a feeding plate 33 and a sliding assembly 34, the feeding cylinder 32 is fixedly installed on the top surface of the assembling table 21 and penetrates through the assembling table 21, the feeding cylinder 32 is used for containing the mounting rings 31, when the mounting rings 31 are conveyed, a certain number of the mounting rings 31 are placed in the feeding cylinder 32 in advance, and the feeding cylinder 32 plays a role of storing the mounting rings 31. The feeding plate 33 is located the below of assembled table 21 and is adjacent with assembled table 21, and the feeding plate 33 includes limiting plate 331 and block board 332, has seted up mounting groove 3311 on the top surface of limiting plate 331, and the mounting groove 3311 runs through the limiting plate 331 and is close to the one side of carrying platform 22, and in this embodiment, the mounting groove 3311 runs through the both sides of limiting plate 331 width direction and the one side that the feeding section of thick bamboo 32 was kept away from to the limiting plate 331. The clamping plate 332 is fixedly arranged in the mounting groove 3311 through screws and abuts against the bottom wall of the mounting groove 3311, and the bottom wall of the mounting groove 3311 can lift the clamping plate 332, so that the stability of connection between the clamping plate 332 and the limiting plate 331 is improved, and the service life of the feeding plate 33 is prolonged.

Referring to fig. 3 and 4, the engaging plate 332 is provided with an engaging groove 3321, the engaging groove 3321 penetrates the side of the engaging plate 332 close to the conveying table 22, and in the present embodiment, the engaging groove 3321 is U-shaped. The feeding plate 33 is slidably disposed at the assembling table 21 through a sliding assembly 34, the sliding assembly 34 includes a driving source, a sliding rod 341 and a sliding block 342, the driving source is used for driving the feeding plate 33 to slide, in this embodiment, the driving source adopts a pneumatic manner, that is, the feeding plate 33 slides through a pneumatic manner. The slide bar 341 has two and all fixed connection on mounting bracket 1, and the length direction of slide bar 341 is on a parallel with the width direction of workstation 2. The two sliding blocks 342 are fixedly connected to the bottom surface of the position limiting plate 331, the two sliding rods 341 respectively penetrate through the two sliding blocks 342 along the length direction of the position limiting plate 331, and the position limiting plate 331 slides along the sliding rods 341, so that the engaging plate 332 synchronously slides along with the position limiting plate 331. The sliding rod 341 acts to limit the sliding direction of the limiting plate 331, thereby improving the stability of the limiting plate 331.

Referring to fig. 3 and 4, the engaging plate 332 can slide until the engaging groove 3321 is opposite to the opening at the bottom end of the feeding cylinder 32, at this time, the mounting ring 31 in the feeding cylinder 32 automatically falls into the engaging groove 3321 under the action of gravity, and then the engaging plate 332 moves along with the limiting plate 331 until the engaging groove 3321 is opposite to the hot-melt ring 52, the mounting ring 31 at the assembly station 21 is located below the top film 41, and at the same time, the hot-melt ring 52 descends to heat and seal the mounting ring 31 and the top film 41, thereby completing the assembly of the top film 41 and the mounting ring 31. When the engaging groove 3321 is misaligned with the opening at the bottom end of the feeding cylinder 32, the top surface of the limiting plate 331 abuts against the bottom surface of the assembly table 21 to limit the installation ring 31 in the feeding cylinder 32, so that the installation ring 31 is not likely to continuously fall. The feed cylinder 32 is internally provided with a guide rod 321 in a penetrating manner, the top end of the guide rod 321 is higher than the top end of the feed cylinder 32, and when the mounting ring 31 is placed in the feed cylinder 32, the mounting ring 31 penetrates through the guide rod 321, so that the mounting ring 31 is conveniently guided into the feed cylinder 32.

Referring to fig. 3 and 4, the waste discharge mechanism 6 includes a cutter 61, an ejector block 62, and a waste collection assembly 63. Cutting knife 61 and kicking block 62 go up and down to be installed on mounting bracket 1, and the equal vertical setting of the direction of rise of cutting knife 61 and kicking block 62 is just opposite. The cutting knife 61 and the top block 62 are respectively positioned at two sides of the top film 41, and the cutting knife 61 and the top block 62 are both vertically towards the top film 41 at the inner side of the mounting ring 31. The bottom wall of the mounting groove 3311 is provided with a hole 3312 for the top block 62 to pass through, the hole 3312 is communicated with the clamping groove 3321, and the diameter of the hole 3312 is smaller than the outer diameter of the mounting ring 31. Cutting knife 61 fixed connection is on the inner wall of hot melt ring 52, and cutting knife 61 is the annular and with the coaxial setting of hot melt ring 52, and the external diameter of cutting knife 61 is less than the internal diameter of collar 31, and the bottom of cutting knife 61 is the knife face, and the knife face of cutting knife 61 flushes with the bottom surface of hot melt ring 52.

Referring to fig. 3 and 4, a second driving cylinder 64 is further fixedly mounted on the mounting frame 1, the second driving cylinder 64 is located below the assembling table 21, a piston rod of the second driving cylinder 64 faces upward vertically, the top block 62 is fixedly connected to the top surface of the piston rod of the second driving cylinder 64, and the second driving cylinder 64 is started to lift the top block 62. The top piece 62 is circular and the diameter of the top piece 62 is smaller than the inner diameter of the mounting ring 31. When the top film 41 on the inner side of the mounting ring 31 needs to be cut off, the first driving cylinder 51 and the second driving cylinder 64 are started simultaneously, the top block 62 rises to abut against the top film 41, the cutting knife 61 and the hot melting ring 52 synchronously descend, when the top film 41 and the mounting ring 31 are hot-sealed, the cutting and removing of the top film 41 on the inner side of the mounting ring 31 are realized, the structure is simplified, the mounting space is saved, and the operation is convenient. The top of the top block 62 is made of rubber material to increase the friction force between the top block 62 and the top film 41 inside the mounting ring 31, and the top film 41 plays a role in skid resistance during cutting.

Referring to fig. 4, the waste collecting assembly 63 includes an air blowing pipe 631 and a waste box 632, the air blowing pipe 631 is fixedly installed on the mounting frame 1 and located below the assembling table 21, a pipe orifice of the air blowing pipe 631 faces the lowered ejector block 62, and the waste box 632 is placed on the mounting frame 1 and located below the second driving cylinder 64 and the ejector block 62. When the cutting blade 61 cuts the top film 41 inside the mounting ring 31, the waste material of the cut portion descends together with the top block 62, and is blown into the waste material box 632 by the blowing pipe 631 to be intensively processed.

The embodiment of the application still discloses a ton bag shaping is with automatic valve gap sealing device's former, refer to fig. 5 and 6, ton bag shaping is with automatic valve gap sealing device's former except that including above-mentioned ton bag shaping with automatic valve gap sealing device, still fixed mounting has installing frame 11 and heat-sealing mechanism 7 on the mounting bracket 1, heat-sealing mechanism 7 is located installing frame 11 department, heat-sealing mechanism 7 then is used for forming ton bag 8 with staving 81 and top film 41 heat-seal as a whole. The heat sealing mechanism 7 is installed on one side of the width direction of the workbench 2 and is located at one end, far away from the first driving cylinder 51, of the workbench 2, so that the longitudinal installation space is saved, and the reasonable utilization of the space is realized.

Referring to fig. 2 and 5, the conveying table 22 is provided with a turning unit 23, and the turning unit 23 is used for changing the conveying direction of the top film 41 so that the top film 41 is conveyed by the conveying table 22 to the heat sealing mechanism 7. The steering assembly 23 comprises a steering roller 231 and a pressing roller 232 which are rotatably mounted on the workbench 2, and the steering roller 231 is positioned at one end of the workbench 2 far away from the hot melting ring 52 and is obliquely arranged.

Referring to fig. 2 and 7, the adjusting assembly 24 is mounted on the steering roller 231, the adjusting assembly 24 includes a mounting plate 241, a mounting handle 242 and a tightening screw 243, the mounting plate 241 is L-shaped, two ends of the steering roller 231 are rotatably connected to the mounting plate 241, a bottom end of the mounting handle 242 is rotatably connected to the workbench 2, a top end of the mounting handle 242 is penetrated by the tightening screw 243 and is in threaded connection with the tightening screw 243, and the mounting plate 241 is tightened on the workbench 2 by the bottom end of the tightening screw 243. When the turning roll 231 is installed, the installation plate 241 is abutted to the workbench 2 through the abutting screw 243, and the operation is convenient. And the worker can rotate the mounting handle 242 according to loosening the tightening screw 243 to select the position of the tightening mounting plate 241, so that the worker can finely adjust the inclination angle of the steering roller 231 according to actual conditions.

Referring to fig. 2 and 5, both ends of the pressing roller 232 are rotatably connected to the side of the conveying table 22 close to the heat-sealing mechanism 7 by an "L" -shaped connecting plate 2321, and the pressing roller 232 is used for pressing the top film 41 after changing the conveying direction. When installing ring 31 and the epiphragma 41 after the completion of the equipment carried to turning roll 231 department, changed direction of delivery under turning roll 231's effect, then walked around from the below of pressing roll 232, continued to carry to subsequent process, pressing roll 232 can play limiting displacement to the epiphragma 41 in the transportation process, and the epiphragma 41 of being convenient for carries steadily. The top film 41 that has passed around the lower side of the pressing roller 232 is conveyed to the mounting frame 11 and passes around the upper side of the mounting frame 11. The mounting frame 11 is rotatably provided with drag reduction rollers 111 near both ends of the principle workbench 2, and the drag reduction rollers 111 are used for reducing the resistance received by the top film 41 during conveying on the mounting frame 11. The middle parts of the turning roll 231, the pressing roll 232 and the drag reduction roll 111 are all provided with abdicating ring grooves 233 for the mounting rings 31 to pass through, so that the effect of improving the conveying flatness of the top film 41 is achieved.

Referring to fig. 8 and 9, the heat sealing mechanism 7 includes a suction tube 71, a heat sealing ring 72 and a lifting member, the suction tube 71 is located below the mounting frame 11 and is used for a barrel 81 of a ton bag 8 to penetrate, an axis of the suction tube 71 is vertically arranged, the suction tube 71 is located below the mounting frame 11 and an opening of the suction tube 71 faces the mounting frame 11, a plurality of suction nozzles 711 are fixedly mounted on an inner wall of the suction tube 71, and after a worker penetrates the barrel 81 from the suction tube 71, the barrel 81 is sucked into the suction tube 71 under the suction effect of the suction nozzles 711. A first working ring 712 is fixedly connected to the top surface of the suction cylinder 71, and a second working ring 713 is fixedly connected to the bottom surface of the suction cylinder 71. The lifting piece is lifting cylinder 73, and lifting cylinder 73 fixed mounting is on mounting bracket 1 and is located the top of installing frame 11, and lifting cylinder 73's piston rod is vertical downwards, and the heat-seal scalds ring 72 through the bottom end fixed connection of cross 721 with lifting cylinder 73 piston rod to heat-seal scalds ring 72 and goes up and down to install on mounting bracket 1, heat-seal scalds ring 72 can descend to the top surface butt with first working ring 712.

When the top film 41 assembled with the mounting ring 31 is wound around the mounting frame 11 and the barrel 81 and the top film 41 are heat sealed, a worker inserts the barrel 81 into the suction tube 71 and turns the opening end of the barrel 81 outward to the first operating ring 712. The heat seal ring 72 is then lowered by the lifting cylinder 73, and the top film 41 is pressed against the first table 2, so that the top film 41 and the portion of the barrel 81 which is turned outward on the first working ring 712 are heat sealed. After the barrel body 81 and the top film 41 are heat-sealed, the heat-sealing ring 72 rises, meanwhile, the conveying mechanism 4 continues to drive the top film 41 to move, and then the barrel body 81 heat-sealed with the top film 41 is taken out of the suction cylinder 71 and conveyed to the subsequent processes in batches along with the conveying of the top film 41.

Referring to fig. 8, the heat sealing mechanism 7 further includes a linkage assembly 74, the linkage assembly 74 includes a linkage rod 741, a linkage screw 742 and a linkage barrel 743, the linkage rod 741 is horizontally disposed, and a length direction of the linkage rod 741 is parallel to a width direction of the mounting frame 11. The middle of the linkage rod 741 is fixedly connected with a piston rod of the lifting cylinder 73. At least two linkage screws 742 are vertically arranged, and in this embodiment, two linkage rods 741 are arranged. The two linkage rods 741 are respectively located at two radial sides of the air suction cylinder 71, the two linkage screws 742 are respectively rotatably connected to two ends of the linkage rods 741, and the two linkage screws 742 respectively penetrate through two sides of the mounting frame 11 in the width direction. The linkage cylinders 743 are fixedly connected to the mounting frame 1, each linkage screw 742 corresponds to one linkage cylinder 743, and the linkage screws 742 are in threaded connection with the inner wall of the corresponding linkage cylinder 743. When the elevating cylinder 73 is elevated, the link screw 742 is rotated by the link cylinder 743.

Referring to fig. 8 and 9, the linkage screw 742 simultaneously passes through the first operating ring 712 and the second operating ring 713, the linkage screw 742 is simultaneously screwed with the first operating ring 712 and the second operating ring 713, a screwing direction of the linkage screw 742 to the linkage cylinder 743 is a first direction, a screwing direction of the linkage screw 742 to the first operating ring 712 and the second operating ring 713 is a second direction, and the first direction and the second direction are opposite. The sizes of the first working ring 712 and the second working ring 713 and the thickness of the linkage screw 742 can be set according to practical situations, and the illustration of the embodiment only shows the connection relationship between the linkage screw 742 and the first working ring 712 and the second working ring 713. When the heat sealing of the barrel body 81 and the top film 41 is not performed, the heat sealing ring 72 and the air suction cylinder 71 are in the initial state, the heat sealing ring 72 rises to be located above the mounting frame 11 when the heat sealing ring 72 and the air suction cylinder 71 are in the initial state, the air suction cylinder 71 descends to be located at a position close to the ground, and then a worker can conveniently penetrate the barrel body 81 into the air suction cylinder 71.

When the barrel 81 and the top film 41 are heat sealed, the lifting cylinder 73 is started, and the lifting cylinder 73 drives the heat sealing ring 72 to descend. Meanwhile, the linkage rod 741 descends synchronously with the piston rod of the lifting cylinder 73, because the linkage screw 742 is rotatably connected with the linkage rod 741, and the linkage screw 742 is in threaded connection with the linkage cylinder 743, under the limiting effect of the linkage cylinder 743, the linkage screw 742 rotates, and because the first direction is opposite to the second direction, the linkage screw 742 rotates to drive the air suction cylinder 71 to ascend. The heat seal ring 72 and the suction tube 71 move in a direction to approach each other, and when the heat seal ring 72 and the suction tube 71 abut against each other, the heat seal ring 72 and the suction tube 71 are positioned at the mounting frame 11, and the top film 41 and the tub 81 are sealed by heat.

After the top film 41 and the barrel 81 are ironed, the piston rod of the lifting cylinder 73 is reset to drive the linkage screw 742 to rotate in the opposite direction, and the heat sealing ironing ring 72 and the suction cylinder 71 move in the direction away from each other to return to the initial position again. By so circulating, the continuous heat sealing of the top film 41 and the barrel body 81 is realized. The synchronous reverse movement of the heat-sealing ironing ring 72 and the air suction cylinder 71 can be realized only by one driving source of the lifting air cylinder 73, the operation is simple, and the energy consumption is saved.

Referring to fig. 8 and 9, the heat sealing mechanism 7 further includes a film cutting assembly 75, and the film cutting assembly 75 includes a plurality of film cutting blocks 751 and a plurality of film cutting knives 752, in this embodiment, the film cutting blocks 751 and the film cutting knives 752 are arc-shaped and are respectively provided with four. The film cutting block 751 is fixedly connected on the top surface of the first working ring 712 and is slightly higher than the top surface of the first working ring 712, a heat sealing platform 753 is formed between the film cutting block 751 and the inner wall of the first working ring 712 at intervals, and reserved gaps 754 are formed between adjacent film cutting blocks 751 at intervals. When the top film 41 is hot-stamped with the barrel 81, the film cutting knife 752 cuts the top film 41 into the top film 41 matching the opening of the barrel 81. Meanwhile, the reserved gaps 754 are formed between the film cutting blocks 751 at intervals, so that when the film cutting knife 752 cuts the top film 41 into the top film 41 matched with the opening of the barrel body 81, a part of the top film 41 is still connected to the integral top film 41, and the barrel body 81 subjected to heat sealing is conveyed to a subsequent process along with the top film 41. The top film 41 and the staving 81 after the heat-seal is accomplished are promptly for ton bag 8, when the staff need take off ton bag 8 from holistic top film 41, then will connect the part on holistic top film 41 tear one by one can, alright obtain independent ton bag 8 one by one.

Referring to fig. 9, a plurality of spikes 7541 are fixedly connected to the reserved gap 754, in this embodiment, there are three spikes 7541 at each reserved gap 754, the top end of the spike 7541 is a pointed end, and the top end of the spike 7541 is slightly higher than the top surface of the film cutting block 751. The film cutting knife 752 is fixedly connected to the peripheral side wall of the heat-seal ironing ring 72, the film cutting block 751 is matched, the bottom surface of the film cutting knife 752 is a knife surface, and the knife surface of the film cutting knife 752 is flush with the bottom surface of the heat-seal ironing ring 72. Through the arrangement of the spikes 7541, on one hand, the part of the barrel 81 which is turned outwards to the first working ring 712 can be hung on the spikes 7541, so that the stability of turning the part of the barrel 81 outwards to the first working platform 2 is improved, and the barrel is convenient to be thermally sealed with the top film 41; on the other hand, since the spikes 7541 are located at the reserved space 754 and the tips of the spikes 7541 are slightly higher than the top surface of the slit 751, when the top film 41 is cut into a shape adapted to the tub 81, the spikes 7541 can pierce into the portion of the top film 41 still attached to the integrated top film 41, that is, the portion of the top film 41 opposite to the reserved space 754. Therefore, an intermittent connection structure can be formed at the part of the top film 41 still connected to the integral top film 41, so that the ton bag 8 can be torn off from the integral top film 41 by a worker to obtain the independent ton bag 8.

Referring to fig. 5 and 10, the conveying mechanism 4 includes a driving assembly 42 and a placing assembly 43, and the placing assembly 43 is located on a side of the assembling table 21 away from the turning roller 231. The placing assembly 43 comprises a placing roller 431 and a supporting plate 432, the placing roller 431 is used for winding the top film 41 to be assembled with the mounting ring 31, the driving assembly 42 is used for driving the top film 41 to convey, and the placing roller 431 rotates when the top film 41 is conveyed. Pallets 432 are located at both ends of the placing roller 431, and there are two pallets 432 at each end of the placing roller 431. Four mounting rods 12 are fixedly connected to the mounting frame 1, the mounting rods 12 are adjacent to the end portion of the roller 431, and two corresponding mounting rods 12 are arranged at each end of the roller 431.

Referring to fig. 11 and 12, the installation rod 12 is divided into a first rod 121 and a second rod 122 which are integrally formed, the first rod 121 is closer to the center of the placement roller 431 than the second rod 122, and the diameter of the first rod 121 is larger than that of the second rod 122. Two supporting plates 432 at the same end of the placing roller 431 are arranged on the second rod body 122 at the end of the placing roller 431 in a penetrating manner, and each supporting plate 432 is penetrated by the two second rod bodies 122 at the same time. Of the two support plates 432 at the same end of the placing roller 431, the support plate 432 near the center of the placing roller 431 is a first plate 4321, the other support plate 432 is a second plate 4322, and the first plate 4321 is abutted against the end part of the first rod 121 near the second rod 122.

Referring to fig. 11, each of the mounting rods 12 is provided with a resistance reducing assembly 44, the resistance reducing assembly 44 includes a fixing ring 441, a rotating ring 442 and a fixing plate 443, the fixing ring 441 and the rotating ring 442 are penetrated by the first rod 121, the fixing ring 441 is fixedly connected to the first rod 121, the rotating ring 442 is sleeved on the first rod 121, and an outer diameter of the rotating ring 442 is greater than an outer diameter of the fixing ring 441. The fixing plate 443 penetrates through the second rod 122 and is in threaded connection with the second rod 122, and the fixing plate 443 tightly supports the first plate 4321 against one end of the first rod 121 close to the second rod 122.

Referring to fig. 11 and 12, one end of the second rod 122 away from the first rod 121 is a limiting portion 1221, a diameter of the limiting portion 1221 is smaller than a diameter of the rest portion of the second rod 122, the second plate 4322 is penetrated by the limiting portion 1221, and the second plate 4322 abuts against a joint between the limiting portion 1221 and the rest portion of the second rod 122. The same fixing screw 444 is connected to the first plate 4321 and the second plate 4322 through threads, so that the second plate 4322 and the first plate 4321 are connected into a whole, the second plate 4322 is fixed, and the rotating handle 445 is fixedly connected to one end, away from the first plate 4321, of the fixing screw 444.

When the resistance reducing assembly 44 and the supporting plate 432 are installed, a worker firstly sleeves the rotating ring 442 on the first rod body 121, then penetrates the first plate body 4321 on the second rod body 122, and then connects the fixing plate 443 to the second rod body 122 in a threaded manner, so that the installation of the first plate body 4321 is completed; then, the second plate 4322 is inserted into the limiting portion 1221, and the rotating handle 445 is held to rotate the fixing screw 444, so that the fixing screw 444 is simultaneously screwed to the first plate 4321 and the second plate 4322, thereby fixing the second plate 4322.

Referring to fig. 11, the top surfaces of the first plate 4321 and the second plate 4322 are both provided with arc-shaped lifting grooves 4323, and the end of the placing roller 431 is located in the lifting groove 4323. The circumferential side wall of each end of the placing roller 431 is provided with a first ring groove 4311 and a second ring groove 4312. When the setting roller 431 is installed, the end of the setting roller 431 is directly placed on the rotating ring 442, and the bottom wall of the first ring groove 4311 is abutted to the peripheral side walls of the two rotating rings 442 at the same end, at this time, the gravity of the setting roller 431 is received by the rotating ring 442, when the setting roller 431 rotates, the rotating rings 442 rotate simultaneously, and the friction mode between the setting roller 431 and the rotating ring 442 is rolling friction, so that the friction force received when the setting roller 431 rotates, namely the friction force received when the top film 41 is conveyed, is reduced.

Referring to fig. 11, the bottom of the lifting groove 4323 of the second plate 4322 is higher than the bottom of the lifting groove 4323 of the first plate 4321, and the lifting groove 4323 of the second plate 4322 is opposite to the second annular groove 4312, if the rotating ring 442 is worn after long-term use, the rotating ring 442 is not enough to contact with the bottom wall of the first annular groove 4311, the end of the roller 431 is dropped into the lifting groove 4323 and supported by the lifting groove 4323, and the roller 431 is still able to normally operate in the lifting groove 4323, thereby improving the reliability of the present application.

Referring to fig. 5 and 13, a driving assembly 42 is located on one side of mounting frame 11 away from conveying table 22, and driving assembly 42 includes a rotating motor 421, a take-up roller 422 and a mounting bolt 423. Rotating motor 421 fixed mounting is in the frame, and wind-up roll 422 level sets up, and first breach 4221 has all been seted up at the both ends of wind-up roll 422. Fixedly connected with dead lever 424 on mounting bracket 1, the pivot level of dead lever 424 and rotation motor 421 sets up relatively, and has all seted up second breach 4241 in dead lever 424 and the pivot of rotation motor 421, and second breach 4241 cooperatees with first breach 4221.

Referring to fig. 13, one end of the wind-up roll 422 is detachably connected to the rotating shaft of the rotating motor 421 through a mounting bolt 423, the other end of the wind-up roll 422 is detachably connected to the fixing rod 424 through the mounting bolt 423, and the mounting bolt 423 is located at a matching position of the first gap 4221 and the second gap 4241. One end, far away from the placement roller 431, of the top film 41 is wound on the winding roller 422, the rotating motor 421 is started, and the rotating motor 421 drives the winding roller 422 to rotate, so that the top film 41 can be conveyed.

With the rotation of the wind-up roller 422, the tub 81 heat-sealed on the top film 41 is taken out from the suction cylinder 71 until the tub 81 is conveyed to the wind-up roller 422. With the continuous rotation of the take-up roll 422, the barrel 81 is wound on the take-up roll 422 along with the top film 41, and in the process, the gas in the barrel 81 is extruded out from the take-up roll 422, so that the ton bags 8 formed by heat sealing are wound on the take-up roll 422 one by one. After the heat sealing of a batch of ton bags 8 is completed, the winding roller 422 and the placing roller 431 are taken down, and the next placing roller 431 and the winding roller 422 are replaced at the same time, so that the batch production of the ton bags 8 is realized. The take-up roll 422 is removed and placed in a storage warehouse, and the part of the ton bag 8 still connected to the integral top film 41 is torn down one by the staff, and the sealing cover is screwed on the mounting ring 31, so that the independent ton bags 8 are obtained in batches.

The embodiment of the application provides a ton bag shaping is with automatic valve gap sealing device's former's implementation principle does: in the process of forming the ton bag 8, the top film 41 is conveyed by the conveying mechanism 4, the mounting ring 31 is conveyed by the feeding mechanism 3, and the mounting ring 31 and the top film 41 are hot-sealed by the assembling mechanism 5. After the mounting ring 31 and the top film 41 are fused together by ironing, the top film 41 inside the mounting ring 31 is cut by the waste discharge mechanism 6, and the cut waste materials are collected and processed. The heat sealing mechanism 7 is used for heat sealing the barrel 81 and the top film 41 into a whole to form the ton bag 8.

(1) The process of conveying the top film 41 by the conveying mechanism 4 is as follows: before the top film 41 is conveyed, one end of the top film 41, which is far away from the placing roller 431, is wound on the winding roller 422 in sequence by passing around the steering roller 231, the pressing roller 232 and the mounting frame 11 in advance. When the top film 41 is conveyed, the rotating motor 421 is started, the rotating motor 421 drives the winding roller 422 to rotate, and the placing roller 431 synchronously rotates under the connection of the top film 41, so that the conveying of the top film 41 can be realized.

(2) The process of the feeding mechanism 3 for conveying the mounting ring 31 is as follows: the clamping plate 332 is pneumatically slid until the clamping groove 3321 is opposite to the opening at the bottom end of the feeding cylinder 32, the mounting ring 31 in the feeding cylinder 32 automatically falls into the clamping groove 3321 under the action of gravity, and then the clamping plate 332 is slid until the mounting ring 31 is opposite to the hot-melt ring 52, and at this time, the top film 41 is located between the mounting ring 31 and the hot-melt ring 52. The fitting plate 332 is slid back and forth, and the mounting ring 31 is continuously fed.

(3) The process of fusing the mounting ring 31 and the top film 41 by the assembling mechanism 5 is as follows: the first driving cylinder 51 is started to drive the hot melt ring 52 to descend until the hot melt ring 52 abuts against the top film 41, and the top film 41 is fused to the mounting ring 31 by heat, thereby completing the assembly of the mounting ring 31 and the top film 41.

(4) The working process of the waste discharge mechanism 6 is as follows: the first driving cylinder 51 is started and the second driving cylinder 64 is started, so that the top block 62 is lifted while the hot melt ring 52 is lowered. The top block 62 rises to penetrate the inside of the mounting ring 31 and abuts against the bottom surface of the top film 41, the hot-melt ring 52 fuses the top film 41 and the mounting ring 31, and the cutting blade 61 cuts off the top film 41 inside the mounting ring 31. Then the hot melt ring 52 is lifted and reset, the top block 62 is lowered and reset, the cut waste material of the top film 41 descends along with the top block 62, and in the process of descending the top block 62, the blowing pipe 631 blows the waste material of the top film 41 into the waste material box 632 for centralized treatment, and the waste discharge operation is completed.

(5) The working process of the heat sealing mechanism 7 is as follows: the assembled top film 41 and mounting ring 31 pass around the steering roller 231, pressing roller 232, and mounting frame 11 in this order. During the process that the top film 41 bypasses the turning roller 231, the mounting ring 31 is turned over from the bottom surface of the top film 41 to the top surface of the top film 41, and then conveyed to the mounting frame 11. When the barrel 81 and the top film 41 are heat sealed, the rotating motor 421 is turned off, and the wind-up roll 422 stops rotating. The worker inserts the barrel 81 into the suction tube 71, turns the end of the barrel 81 in the opening direction outward to the first working ring 712, and hangs the spike 7541. And then, starting the lifting cylinder 73, driving the heat-seal ironing ring 72 to descend to the mounting frame 11, simultaneously lifting the air suction tube 71 to the mounting frame 11, and enabling the heat-seal ironing ring 72 to press the top film 41 against the first workbench 2, so that the top film 41 and the part of the barrel body 81, which is outwards turned to the first working ring 712, are subjected to heat sealing.

After the barrel body 81 and the top film 41 are subjected to heat sealing, the lifting cylinder 73 is reset, the heat-sealing ironing ring 72 is lifted, the air suction cylinder 71 is lowered, the rotating motor 421 is restarted to continue to drive the winding roller 422 to rotate, the top film 41 continues to be conveyed, and the barrel body 81 which is subjected to heat sealing with the top film 41 is taken out of the air suction cylinder 71 and wound onto the winding roller 422. After the heat sealing of a batch of ton bags 8 is completed, the winding roller 422 and the placing roller 431 are taken down, and the next placing roller 431 and the winding roller 422 are replaced at the same time, so that the batch production of the ton bags 8 is realized. The take-up roll 422 is removed and placed in a storage warehouse, and the part of the ton bag 8 still connected to the integral top film 41 is torn down one by the staff, and the sealing cover is screwed on the mounting ring 31, so that the independent ton bags 8 are obtained in batches.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a ton bag shaping is with automatic valve gap sealing device which characterized in that: the device comprises an installation frame (1), wherein a workbench (2), a feeding mechanism (3), a conveying mechanism (4) and an assembling mechanism (5) are arranged on the installation frame (1), the feeding mechanism (3) is used for conveying an installation ring (31), and the conveying mechanism (4) is used for conveying a top film (41);

the workbench (2) comprises an assembling table (21) and a conveying table (22), the assembling table (21) is used for assembling the top film (41) and the mounting ring (31), and the conveying table (22) is used for conveying the assembled top film (41) and the mounting ring (31);

the assembling mechanism (5) comprises a hot melting ring (52), and the hot melting ring (52) is arranged at the assembling table (21) in a lifting mode and used for fusing the mounting ring (31) and the top film (41) in a hot-pressing mode.

2. The automatic heat sealing device for the valve covers for ton-bag forming according to claim 1, characterized in that: the feeding mechanism (3) comprises a feeding cylinder (32), a feeding plate (33) and a sliding assembly (34), the feeding cylinder (32) is arranged on the workbench (2) and used for containing the mounting ring (31), the feeding plate (33) comprises a limiting plate (331) and a clamping plate (332), a clamping groove (3321) is formed in the clamping plate (332), and the clamping groove (3321) penetrates through one side, close to the conveying table (22), of the clamping plate (332);

the feeding plate (33) is arranged at the assembly table (21) in a sliding mode through a sliding assembly (34), the clamping plate (332) can slide to the clamping groove (3321) to be opposite to the opening at the bottom end of the feeding cylinder (32), and the clamping plate (332) can also slide to the clamping groove (3321) to be opposite to the hot-melt ring (52); when the clamping groove (3321) is dislocated with the opening at the bottom end of the feeding cylinder (32), the limiting plate (331) is used for limiting the mounting ring (31) in the feeding cylinder (32).

3. The automatic heat sealing device for the valve covers for ton-bag forming according to claim 2, characterized in that: mounting groove (3311) have been seted up on the top surface of limiting plate (331), mounting groove (3311) run through limiting plate (331) and are close to the one side of carrying platform (22), block board (332) set up in mounting groove (3311) and with the diapire butt of mounting groove (3311).

4. The automatic heat sealing device for the valve covers for ton bag forming according to claim 2, characterized in that: the sliding assembly (34) comprises a driving source, a sliding rod (341) and a sliding block (342), the driving source is used for driving the feeding plate (33) to slide, the sliding block (342) is arranged on the feeding plate (33), and the sliding rod (341) is fixedly arranged on the mounting frame (1) and penetrates through the sliding block (342).

5. The automatic heat sealing device for the valve covers for ton-bag forming according to claim 1, characterized in that: the conveying mechanism (4) comprises a driving assembly (42) and a placing assembly (43), the placing assembly (43) comprises a supporting plate (432) and a placing roller (431), the supporting plate (432) is arranged on the mounting frame (1), lifting grooves (4323) for placing two ends of the placing roller (431) are formed in the supporting plate (432), and the placing roller (431) is used for winding a top film (41) to be assembled with the mounting ring (31); the driving assembly (42) is used for driving the top film (41) to move.

6. The automatic heat sealing device for the valve covers for ton-bag forming according to claim 2, characterized in that: a guide rod (321) is arranged in the feeding cylinder (32), and the top end of the guide rod (321) is higher than the top end of the feeding cylinder (32).

7. The forming apparatus having the automatic heat-seal device for valve caps for ton-bag forming as claimed in any one of claims 1 to 6, wherein: the mounting frame (1) is also provided with a mounting frame (11) and a heat sealing mechanism (7), and the top film (41) bypasses the mounting frame (11) during conveying;

the heat sealing mechanism (7) comprises a suction tube (71), a heat sealing hot ring (72) and a lifting piece, wherein the suction tube (71) is positioned below the mounting frame (11) and used for allowing a barrel body (81) of a ton bag (8) to penetrate through, an opening of the suction tube (71) faces the mounting frame (11), a suction nozzle (711) is arranged on the inner wall of the suction tube (71), and a first working ring (712) is arranged on the top surface of the suction tube (71);

the heat-seal scalding ring (72) is arranged on the mounting frame (1) in a lifting mode, the lifting piece is used for driving the heat-seal scalding ring (72) to lift, and the heat-seal scalding ring (72) can be lowered to abut against the top face of the first working ring (712).

8. The forming equipment of the automatic valve cover heat-sealing device for ton-bag forming according to claim 7, characterized in that: the lifting piece is a lifting cylinder (73), and the heat-sealing ironing ring (72) is connected with a piston rod of the lifting cylinder (73);

the heat sealing mechanism (7) further comprises a linkage assembly (74), the linkage assembly (74) comprises linkage rods (741), linkage screw rods (742) and linkage cylinders (743), the linkage rods (741) are also connected with piston rods of the lifting cylinders (73), the linkage screw rods (742) are rotatably connected to the linkage rods (741), at least two linkage screw rods (742) are provided, and the linkage cylinders (743) are fixedly arranged on the mounting frame (1);

the inner wall of a linkage section of thick bamboo (743) and linkage screw rod (742) threaded connection, linkage screw rod (742) pass first work ring (712) and with first work ring (712) threaded connection, the direction of linkage screw rod (742) and linkage section of thick bamboo (743) threaded connection is the first direction, the threaded connection direction of linkage screw rod (742) and first work ring (712) is the second direction, first direction and second direction are opposite.

9. The forming equipment of the automatic valve cover heat-sealing device for ton-bag forming according to claim 7, characterized in that: the heat sealing mechanism (7) further comprises a film cutting assembly (75), the film cutting assembly (75) comprises a plurality of film cutting blocks (751) and a plurality of film cutting knives (752), the film cutting blocks (751) are arranged on the top surface of the first working ring (712), a heat sealing platform (753) is formed by the interval between the film cutting blocks (751) and the inner wall of the first working ring (712), and a reserved gap (754) is formed by the interval between the film cutting blocks (751); the film cutting knife (752) is arranged on the heat-sealing ironing ring (72) and the film cutting block (751) is matched.

10. The forming equipment of the automatic valve cover heat-sealing device for ton-bag forming according to claim 9, characterized in that: a plurality of sharp spines (7541) are arranged at the reserved gap (754), and the top ends of the sharp spines (7541) are higher than the top surface of the film cutting block (751).